X-ray fluorescence molten sample cooling machine

Abstract

The utility model aims to provide an X-ray fluorescence molten sample cooling machine which comprises a heat dissipation working table, the heat dissipation working table is supported by a support, and an air cooling device is arranged below the heat dissipation working table. When the X-ray fluorescence molten sample cooling machine is used for cooling an X-ray fluorescence molten sample, the X-ray fluorescence molten sample is placed on the heat dissipation workbench of the X-ray fluorescence molten sample cooling machine, the air cooling device located below the heat dissipation workbench is started, and the X-ray fluorescence molten sample can be indirectly cooled through air cooling of the heat dissipation workbench; and cooling is uniform, the cooling speed can be increased, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to X ray fluorescence analysis technical field, concretely relates to a kind of X ray fluorescence sample melting cooling machine. BACKGROUND

[0002] X ray fluorescence analysis is a kind of method to determine the kind and content of trace element in substance, also called X ray secondary emission spectrum analysis, is to use primary X ray photon or other micro-particle to excite the atom in measured substance, so that secondary characteristic X ray (X light fluorescence) is generated to carry out substance composition analysis and chemical state research.

[0003] In order to analyze the element content in substance, first, some representative sample substance is obtained, but it cannot be directly placed on the instrument to measure, an important reason is that the sample clamp on spectrometer is fixed shape, so sample needs to be handled.Press tablet method is a kind of common sample preparation method, after sample is crushed, it is pressed into round tablet, so that it can be analyzed.

[0004] However, theory and experiment show that the factors affecting X ray fluorescence analysis precision mainly include particle size effect, enhancement effect and mineral effect.Three.The performance of particle size effect is that the granularity of sample is different, the surface flatness of sample tablet is different, which will affect detection precision;The performance of enhancement effect is that when the density of element in sample is large, it will seriously affect detection precision;The performance of mineral effect is that the same element is in different structure, which will affect detection precision, for example, diamond and graphite are both composed of C, but structure is different, when measuring, this structural difference affects detection precision.

[0005] In order to solve the above problems, melting method is introduced.Melting is to place sample in a kind of dilute flux, heat at high temperature, so that sample and flux are fully mixed, after cooling, glass-like melting tablet is formed.The direct result of this treatment is to dilute the concentration of element, increase the flatness of sample surface, destroy the mineral structure in sample to form uniform structure.So correspondingly, particle size effect, enhancement effect and mineral effect are reduced.A good melting tablet should be uniform and transparent in appearance, and the melting tablet with smooth analysis surface is analyzed, but the most important thing is that the data of melting tablet should have the characteristics of good repeatability.

[0006] However, the cooling method of X ray fluorescence sample is often placed on windowsill to cool, not only because of uneven cooling, causing inaccurate detection data, but also slow cooling problem, which affects production rhythm, and even sample tablet damage occurs, which seriously affects test result.

[0007] Therefore, it is necessary to develop a kind of X ray fluorescence sample cooling machine, when X ray fluorescence sample is cooled by the X ray fluorescence sample cooling machine, not only uniform cooling can be realized, but also cooling speed and work efficiency can be improved. UTILITY MODEL CONTENT

[0008] In view of the deficiencies of the prior art, the X-ray fluorescence sample cooling machine aims to provide an X-ray fluorescence sample cooling machine, which comprises a heat dissipation workbench, the heat dissipation workbench is supported by a support, and an air cooling device is arranged below the heat dissipation workbench.

[0009] To achieve this purpose, the utility model adopts the following technical scheme:

[0010] An X-ray fluorescence sample cooling machine, the X-ray fluorescence sample cooling machine comprises a heat dissipation workbench, the heat dissipation workbench is supported by a support, and an air cooling device is arranged below the heat dissipation workbench.

[0011] The X-ray fluorescence sample cooling machine has simple structure and convenient operation, when cooling X-ray fluorescence sample, the X-ray fluorescence sample is placed on the heat dissipation workbench of the X-ray fluorescence sample cooling machine, the air cooling device below the heat dissipation workbench is opened, the X-ray fluorescence sample can be indirectly cooled through air cooling cooling of the heat dissipation workbench, not only uniform cooling, but also improve the cooling speed, improve work efficiency.

[0012] As a preferred technical scheme of the utility model, the X-ray fluorescence sample cooling machine further comprises a temperature sensor and a controller, the temperature probe of the temperature sensor is connected with the heat dissipation workbench, the temperature sensor is signal connected with the controller, realizing the temperature monitoring of the heat dissipation workbench by the controller, the controller is signal connected with the switch of the air cooling device, realizing the automatic switch control of the air cooling device by the controller.

[0013] The X-ray fluorescence sample cooling machine of the utility model preferably sets a controller, based on the temperature monitoring of the heat dissipation workbench by the controller, the automatic switch control of the air cooling device can be realized, the cooling speed can be further improved, and the work efficiency can be improved.

[0014] As a preferred technical scheme of the utility model, a switch indicating lamp is arranged on the controller, to directly display the automatic switch state of the air cooling device.

[0015] As a preferred technical scheme of the utility model, the heat dissipation workbench is an aluminum heat dissipation workbench.

[0016] The heat dissipation workbench is preferably made of aluminum, because the heat conduction efficiency of aluminum is high, which can not only uniformly cool, but also further improve the cooling speed and improve the work efficiency.

[0017] As the preferred technical scheme of the utility model, the thickness of the heat dissipation workbench is 11-13mm, such as 11mm, 11.5mm, 12mm, 12.5mm or 13mm etc., the length is 150-170mm, such as 150mm, 155mm, 160mm, 165mm or 170mm etc., and the width is 140-160mm, such as 140mm, 145mm, 150mm, 155mm or 160mm etc.

[0018] As the preferred technical scheme of the utility model, a plurality of heat dissipation fins are arranged in intervals below the heat dissipation workbench close to the air cooling device.

[0019] The heat dissipation fins are arranged below the heat dissipation workbench, which can further increase the heat dissipation area below the heat dissipation workbench, and when the air cooling device blows air below the heat dissipation workbench, the cooling speed and work efficiency can be further improved.

[0020] As the preferred technical scheme of the utility model, the shape of the heat dissipation fin is rectangular plate, and the interval between two adjacent heat dissipation fins is 1-3cm, such as 1cm, 1.5cm, 2cm, 2.5cm or 3cm etc.

[0021] As the preferred technical scheme of the utility model, the number of heat dissipation fins is 10-20, such as 10, 11, 13, 15, 16, 18 or 20 etc.

[0022] As the preferred technical scheme of the utility model, the upper surface of the heat dissipation workbench is provided with accommodating grooves for stably placing X-ray fluorescence samples.

[0023] As the preferred technical scheme of the utility model, the number of accommodating grooves is 2-10, such as 2, 4, 6, 8 or 10 etc.

[0024] The X-ray fluorescence sample cooling machine of the utility model is used for the method for cooling X-ray fluorescence samples, which comprises the following contents:

[0025] Prepare the sample to be tested, and prepare X-ray fluorescence samples by using the melting method;

[0026] Place the X-ray fluorescence sample on the heat dissipation workbench of the X-ray fluorescence sample cooling machine, turn on the air cooling device below the heat dissipation workbench, and cool the X-ray fluorescence sample.

[0027] The X-ray fluorescence sample is placed on the heat dissipation workbench of the X-ray fluorescence sample cooling machine, and the air cooling device below the heat dissipation workbench is turned on. The X-ray fluorescence sample is indirectly cooled by air cooling the heat dissipation workbench, which can not only cool uniformly, but also improve the cooling speed and work efficiency.

[0028] If the X-ray fluorescence sample cooling machine further comprises a temperature sensor and a controller, the temperature probe of the temperature sensor monitors the temperature of the heat dissipation workbench, the controller controls the switch of the air cooling device based on the monitored temperature, and a switch indicator light is arranged on the controller to visually display the automatic on-off state of the air cooling device, the method for cooling the X-ray fluorescence sample further comprises the following contents:

[0029] When the temperature of the heat dissipation workbench is greater than the first set temperature, the controller automatically starts the switch of the air cooling device, and the switch indicator light is lit.

[0030] When the temperature of the heat dissipation workbench is less than the second set temperature, the controller automatically stops the switch of the air cooling device, and the switch indicator light is extinguished.

[0031] The first set temperature is higher than the second set temperature.

[0032] It should be noted that in the method, the monitored temperature of the heat dissipation workbench is often much higher than the first set temperature, so that the air cooling device is turned on to cool the heat dissipation workbench below, and when the temperature of the heat dissipation workbench begins to drop below the first set temperature, the air cooling device will not stop, but further reduce the temperature of the heat dissipation workbench below the second set temperature, so as to ensure the cooling effect of the X-ray fluorescence sample. If the monitored temperature of the heat dissipation workbench is between the first set temperature and the second set temperature at the beginning, there is no need to start air cooling, and the air cooling device does not need to be started, and slow cooling at room temperature can be realized.

[0033] Further, the first set temperature is 30-33℃, for example, 30℃, 30.5℃, 31℃, 31.5℃, 32℃, 32.5℃ or 33℃, but not limited to the listed values, and other values not listed in the above value range are also applicable.

[0034] Further, the second set temperature is 25-27℃, for example, 25℃, 25.5℃, 26℃, 26.5℃ or 27℃, but not limited to the listed values, and other values not listed in the above value range are also applicable.

[0035] It should be noted that in the method, the sample to be tested is prepared, and the X-ray fluorescence sample is prepared by fusion method, which comprises the following contents:

[0036] In the melting method, a full-automatic multi-head sample melting machine is used, a highly heat-resistant heating system is used to rapidly heat in a short time according to the required maintaining temperature, and a S-shaped thermocouple in the heating chamber is used to monitor the temperature, so that the sample is melted into a borate glass melting sample piece in a short time.

[0037] Further, after the X-ray fluorescence sample melting cooling machine is used to cool the X-ray fluorescence sample, the X-ray fluorescence spectrometer is used to measure the X-ray fluorescence intensity of the to-be-measured element, the background at the melting sample analysis line position of the blank sample is measured as the sample background deduction, the pure chemical reagent is used to synthesize the correction melting sample, and the result is obtained after the matrix effect between elements is corrected by using the self-consistent correction principle.

[0038] Compared with the prior art, the X-ray fluorescence sample melting cooling machine has the beneficial effects that:

[0039] The X-ray fluorescence sample melting cooling machine has the advantages of simple structure and convenient operation, and when the X-ray fluorescence sample is cooled, the X-ray fluorescence sample is placed on the heat dissipation workbench of the X-ray fluorescence sample melting cooling machine, the air cooling device below the heat dissipation workbench is started, the X-ray fluorescence sample is indirectly cooled through air cooling of the heat dissipation workbench, uniform cooling can be achieved, the cooling speed can be improved, and the working efficiency can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0040] Figure 1 is a structural schematic view of the X-ray fluorescence sample melting cooling machine in the embodiment 1 of the utility model;

[0041] In the figure: 1-heat dissipation workbench; 2-air cooling device; 3-temperature sensor; 4-controller; 5-switch indicator light; 6-heat dissipation fin; 7-containing groove. DETAILED DESCRIPTION

[0042] In order to make the technical scheme, purpose and advantages of the utility model more clear, the utility model is further described in detail below by specific example and combined with the drawings. It should be understood that the specific implementation manner described herein is only used for illustrating and explaining the utility model, and is not used for limiting the utility model.

[0043] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or positional relation based on the orientation or positional relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, construct and operate in a particular orientation, therefore, it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0044] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or positional relation based on the orientation or positional relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, construct and operate in a particular orientation, therefore, it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0045] Embodiment 1

[0046] The embodiment provides an X-ray fluorescence sample cooling machine, as shown in the drawing, the X-ray fluorescence sample cooling machine includes a heat dissipation workbench 1, the heat dissipation workbench 1 is supported by a support, and a forced air cooling device 2 is arranged below the heat dissipation workbench 1. Figure 1

[0047] The X-ray fluorescence sample cooling machine further includes a temperature sensor 3 and a controller 4;The temperature probe of the temperature sensor is connected with the heat dissipation workbench 1, the temperature sensor 3 is signal connected with the controller 4, realizes the temperature monitoring of the controller 4 to the heat dissipation workbench 1;The controller 4 and the switch of the forced air cooling device 2 are signal connected, realize the automatic switch control of the controller 4 to the forced air cooling device 2;

[0048] The switch indicating lamp 5 is arranged on the controller 4, to directly show the automatic switch state of the forced air cooling device 2;

[0049] The heat dissipation workbench 1 is an aluminum heat dissipation workbench;

[0050] The thickness of the heat dissipation workbench 1 is 12mm, the length is 160mm, and the width is 150mm;

[0051] ​A plurality of heat dissipation fins 6 are arranged in intervals below the heat dissipation workbench 1, close to the air cooling device 2; the heat dissipation fins are in the shape of rectangular plates, and the interval between two adjacent heat dissipation fins is 2 cm; the number of the heat dissipation fins is 13.

[0052] Four accommodating grooves 7 are formed in the upper surface of the heat dissipation workbench 1, for stably placing X-ray fluorescence fusion samples.

[0053] Application Example 1

[0054] The application example provides a method for cooling X-ray fluorescence fusion samples, and the method comprises the following steps:

[0055] Four samples to be tested are prepared, and four X-ray fluorescence fusion samples are prepared by a fusion method;

[0056] The four X-ray fluorescence fusion samples are respectively placed in the four accommodating grooves 7 on the heat dissipation workbench 1 of the X-ray fluorescence fusion sample cooling machine, the temperature of the heat dissipation workbench 1 is monitored in real time by the temperature sensor 3 connected to the heat dissipation workbench 1, and the temperature value is transmitted to the controller 4 in real time; the controller 4 controls the switch of the air cooling device 2 based on the monitored temperature.

[0057] When the temperature of the heat dissipation workbench 1 is greater than the first set temperature 30 DEG C, the controller 4 automatically starts the switch of the air cooling device 2, and the switch indicator light 5 is lit, the air cooling device 2 blows to the heat dissipation fins 6 and the heat dissipation workbench 1, and the heat dissipation workbench 1 is rapidly cooled;

[0058] When the temperature of the heat dissipation workbench 1 is less than the second set temperature 26 DEG C, the controller 4 automatically stops the switch of the air cooling device 2, and the switch indicator light 5 is extinguished, and the air cooling device 2 stops blowing;

[0059] Through timing, it is found that only 3 minutes are needed to reduce the temperature of the heat dissipation workbench 1 to 26 DEG C; and the automatic start and automatic stop of the air cooling device 2 can be realized through the controller 4; in addition, in order to avoid confusion of the four X-ray fluorescence fusion samples, the four accommodating grooves are numbered as 1, 2, 3 and 4.

[0060] In summary, the X-ray fluorescence fusion sample cooling machine has the advantages of simple structure and convenient operation, when X-ray fluorescence fusion samples are cooled, the X-ray fluorescence fusion samples are placed on the heat dissipation workbench of the X-ray fluorescence fusion sample cooling machine, the air cooling device below the heat dissipation workbench is started, the X-ray fluorescence fusion samples are indirectly cooled through air cooling of the heat dissipation workbench, the cooling is uniform, the cooling speed is improved, and the working efficiency is improved.

[0061] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, and those skilled in the art should understand that any changes or replacements that can be easily thought of by any person skilled in the art within the technical scope disclosed by the present application all fall within the protection scope and disclosure scope of the present application.

Claims

1. An X-ray fluorescence sample fusion cooler characterized by, The X-ray fluorescence sample cooling machine comprises a heat dissipation workbench supported by a support, and a forced air cooling device arranged below the heat dissipation workbench; The X-ray fluorescence sample cooling machine further comprises a temperature sensor and a controller; a temperature probe of the temperature sensor is connected with the heat dissipation workbench, the temperature sensor is signal connected with the controller, so that the controller can monitor the temperature of the heat dissipation workbench; the controller is signal connected with a switch of the forced air cooling device, so that the controller can automatically control the switch of the forced air cooling device; A plurality of heat dissipation fins are arranged below the heat dissipation workbench in a spaced arrangement close to the forced air cooling device.

2. The X-ray fluorescence sample fusion cooler according to claim 1, characterized in that, A switch indicator light is arranged on the controller to visually display the automatic switch state of the forced air cooling device.

3. The X-ray fluorescence sample fusion cooler according to claim 1, characterized in that, The heat dissipation workbench is an aluminum heat dissipation workbench.

4. The X-ray fluorescence sample fusion cooler of claim 1, wherein, The thickness of the heat dissipation workbench is 11-13 mm, the length is 150-170 mm, and the width is 140-160 mm.

5. The X-ray fluorescence sample fusion cooler of claim 1, wherein, The shape of the heat dissipation fin is a rectangular plate, and the distance between two adjacent heat dissipation fins is 1-3 cm.

6. The X-ray fluorescence sample fusion cooler according to claim 1 or 5, characterized in that The number of the heat dissipation fins is 10-20.

7. The X-ray fluorescence sample fusion cooler of claim 1, wherein, An accommodating groove is formed on the upper surface of the heat dissipation workbench for stably placing the X-ray fluorescence sample.

8. The X-ray fluorescence sample fusion cooler of claim 7, wherein, The number of the accommodating grooves is 2-10.

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